20010110120011 has 16 divisors (see below), whose sum is σ = 21837837863520. Its totient is φ = 18183821230080.

The previous prime is 20010110119997. The next prime is 20010110120029. The reversal of 20010110120011 is 11002101101002.

It is not a de Polignac number, because 20010110120011 - 2³⁷ = 19872671166539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010110120011.

It is not an unprimeable number, because it can be changed into a prime (20010110120311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635447755 + ... + 635479243.

It is an arithmetic number, because the mean of its divisors is an integer number (1364864866470).

Almost surely, 2^{20010110120011} is an apocalyptic number.

20010110120011 is a deficient number, since it is larger than the sum of its proper divisors (1827727743509).

20010110120011 is a wasteful number, since it uses less digits than its factorization.

20010110120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52494.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20010110120011 its reverse (11002101101002), we get a palindrome (31012211221013).

The spelling of 20010110120011 in words is "twenty trillion, ten billion, one hundred ten million, one hundred twenty thousand, eleven".